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Demo — inputs & output

Ref2VA10s

Prompt structure inspired by Inspired by fal.ai H3 Guide

Day-to-Night Relighting

Relight existing footage from daytime to night while preserving geometry and motion.

Ref2VA10s16:9editrelightday-night

Who this is for

Fast turnaround relight tests on approved takes.

How this prompt is built

Read this first — once you see the pattern, you can write your own without starting from zero.

  1. Edit instruction

    Relight only — explicit preserve list.

Adapt it for your project

  • Specify moonlit vs urban neon night.
  • Add rain-wet reflections.

Where people mess up

  • Changing composition or wardrobe.
  • Inconsistent shadow direction.

Full prompt (copy & edit)

Change the lighting in the reference video from daytime to night. Preserve all subject motion, camera movement, and scene geometry. Add plausible night sources: cooler ambient fill, localized warm practicals, and softer shadows. Do not alter wardrobe or background layout.

New to Ref2VA? Read the MiniMax H3 Ref2VA prompt guide

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